up the back 

to bang someone in the ass.

She said to me, "You can go up the front or up the back."

And I thought to myself, sweet, this chick wants me to bang her in the ass.

up the back by Nick April 23, 2005

dragging pork up the back stairs

A phrase meant to describe the sexual actions of a gay male who is usually on the recieving end of his partner.

Alex didn't want to come to the Foxy Lady??? What is he, dragging pork up the back stairs?!?!?!?

dragging pork up the back stairs by dasword November 10, 2006

sling one up the back of she

To put it right up her arse.

"brev, shes fit! why don't you sling one up the back of she"

sling one up the back of she by socopoc August 31, 2015

Back up the brink's truck 

A term said by Chris D'elia, it's when one strives to make so many stacks of cash, that they would need a brink's truck for it. The more stacks one makes, more backup for said brink's truck

Guy 1: "Why does Adam Sandler star in such awful films?"
Guy 2: "Hey, gotta back up the brink's truck somehow baby!"

Back up the brink's truck by T2425 June 22, 2018

Back up the bus

in reference to being told something unbelievable or shocking, means to hold on and go back to what was just said; request to repeat and readdress a comment.

"Whoa. Back up the bus - what did you just say?"

"Hang on - back up the bus. You were doing WHAT last night?!"

Back up the bus by mypseudonym2012 September 26, 2011

knock the back door in and put the extension up 

Polite euphemism for anal sex, just crying out to be written into an updated Carry On film based around DIY enthusiasts.

Jack Douglas : "I'll be finished as soon as I've knocked her back door in and put me extension up"
Sid James : "Hwar har har!"

knock the back door in and put the extension up by TC Raymond August 15, 2005

back up the truck

To go back in a conversation

So Christie is pregnant, anyways did you see the football game on Monday?

Wait, wait, wait back up the truck...Christie's what?

back up the truck by bandrewa October 29, 2007